Finding the Third Proportional to 3,873,033 and 8,510,420

Step by Step Solution

1. Step 1: Write the proportion equation
   3,873,033 : 8,510,420 = 8,510,420 : x
2. Step 2: Convert to fraction form
   3,873,033/8,510,420 = 8,510,420/x
3. Step 3: Cross multiply
   3,873,033x = 8,510,420 × 8,510,420
4. Step 4: Simplify right side
   3,873,033x = 72,427,248,576,400
5. Step 5: Solve for x
   x = 72,427,248,576,400/3,873,033
6. Step 6: Final answer
   x = 18,700,395.42